While the seven horses provide the “power” to Surya’s chariot, the 24 wheels of the Konark Sun Temple serve as the chariot’s “mechanism,” functioning as an incredibly sophisticated astronomical calendar. These wheels are not just decorative; they are precision instruments that have told time for over 750 years.
Engineering the Cosmos
Each wheel is approximately 9 feet 9 inches in diameter and features 8 thick spokes and 8 thin spokes. The placement of these wheels along the base of the temple is a masterclass in symbolic engineering:
The Number 24: Represents the 24 fortnights (Pakshas) of the Hindu lunar calendar, as well as the 24 hours of a full day.
The 12 Pairs: Symbolize the 12 months of the year, with each pair corresponding to a specific Zodiac sign.
The 8 Spokes: Divide the day into eight Praharas (3-hour intervals), totaling 24 hours.
How to Tell Time with Stone
The most famous wheel—the Main Sundial—is still used today to calculate time down to the minute. Here is how the ancient science works:
The Shadow Cast: By placing a finger or a stick at the center of the wheel’s hub, the shadow falls on the rim (the circumference).
The Spokes: The shadow’s position relative to the thick and thin spokes indicates the hour.
The Beads: The outer rim of the wheel is decorated with 30 beads between each spoke.
Each bead represents a ‘sub-division’ of time.
By calculating the shadow’s position between these beads, one can determine the time within a 3-minute margin of error.
Note: Because the temple is slightly tilted and the earth’s axis has shifted since the 13th century, modern calculations require a minor seasonal adjustment to match current digital time.
Intricate Iconography
Beyond their scientific utility, the wheels are a canvas for medieval life. If you look closely at the carvings on the spokes and the rims, you will find:
Daily Activities: Scenes of hunting, cooking, and military processions.
Deities: Figures of Surya and other celestial beings.
Nature: Elaborate floral motifs and mythical animals (Gajasimhas).
A Legacy in Your Pocket
The significance of the Konark wheel is so deeply ingrained in Indian identity that it is featured on the ₹10 currency note. It remains a global symbol of India’s historical prowess in mathematics and astronomy.
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